Italian Researchers Release Thousands of Baby Octopuses to Combat Invasive Blue Crabs in the Adriatic

To combat the detrimental effects of the invasive blue crab species on both the Adriatic Sea's ecosystems and Italy's fishing industry, researchers at the University of Bologna, with support from the Emilia-Romagna regional government, have introduced tens of thousands of lab-bred baby octopuses. Launched in 2024, the Octo-Blu initiative seeks to leverage the common octopus, a natural enemy of blue crabs, to manage their population. Blue crabs, originally from the Atlantic Coast, inflicted approximately $116 million in economic losses in Italy in 2024. The initial release of hatchlings occurred on June 11 and 17, amounting to at least 130,000. Experts warn that this is merely a pilot project, facing obstacles such as habitat preferences and low survival rates of the hatchlings.